When Kosovo reciprocated, Kosovo Serbs blocked two border crossings and set government buildings on fire.
Kosovo deployed special police, which triggered Serbia to send tanks and soldiers to its side of the border.
NATO peacekeepers have increased patrols in the area.
Why has one of Europe's forgotten disputes escalated now?
A gang known as 400 Mawozo has been identified as behind the kidnapping of the group of 17 Missionaries in Haiti. The kidnappers...